/*
 * Copyright 2006 Sandy McArthur, Jr.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package java.beans;

import java.util.EventListenerProxy;

/**
 * A class which extends the EventListenerProxy specifically for associating a VetoableChangeListener with a "constrained" property.
 */
public class VetoableChangeListenerProxy extends EventListenerProxy implements VetoableChangeListener {

    private String propertyName;

    public VetoableChangeListenerProxy(final String propertyName, final VetoableChangeListener listener) {
        super(listener);
        this.propertyName = propertyName;
    }

    public String getPropertyName() {
        return propertyName;
    }

    public void vetoableChange(final PropertyChangeEvent event) throws PropertyVetoException {
        final VetoableChangeListener listener = (VetoableChangeListener) getListener();
        if (listener != null) {
            listener.vetoableChange(event);
        }
    }
}
